1 files changed, 153 insertions, 0 deletions
diff --git a/launcher/ui/pages/global/JavaPage.cpp b/launcher/ui/pages/global/JavaPage.cpp
new file mode 100644
index 00000000..bd79f11a
--- /dev/null
+++ b/launcher/ui/pages/global/JavaPage.cpp
@@ -0,0 +1,153 @@
+/* Copyright 2013-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "JavaPage.h"
+#include "JavaCommon.h"
+#include "ui_JavaPage.h"
+
+#include <QFileDialog>
+#include <QMessageBox>
+#include <QDir>
+#include <QTabBar>
+
+#include "ui/dialogs/VersionSelectDialog.h"
+
+#include "java/JavaUtils.h"
+#include "java/JavaInstallList.h"
+
+#include "settings/SettingsObject.h"
+#include <FileSystem.h>
+#include "Application.h"
+#include <sys.h>
+
+JavaPage::JavaPage(QWidget *parent) : QWidget(parent), ui(new Ui::JavaPage)
+{
+    ui->setupUi(this);
+    ui->tabWidget->tabBar()->hide();
+
+    auto sysMiB = Sys::getSystemRam() / Sys::mebibyte;
+    ui->maxMemSpinBox->setMaximum(sysMiB);
+    loadSettings();
+}
+
+JavaPage::~JavaPage()
+{
+    delete ui;
+}
+
+bool JavaPage::apply()
+{
+    applySettings();
+    return true;
+}
+
+void JavaPage::applySettings()
+{
+    auto s = APPLICATION->settings();
+
+    // Memory
+    int min = ui->minMemSpinBox->value();
+    int max = ui->maxMemSpinBox->value();
+    if(min < max)
+    {
+        s->set("MinMemAlloc", min);
+        s->set("MaxMemAlloc", max);
+    }
+    else
+    {
+        s->set("MinMemAlloc", max);
+        s->set("MaxMemAlloc", min);
+    }
+    s->set("PermGen", ui->permGenSpinBox->value());
+
+    // Java Settings
+    s->set("JavaPath", ui->javaPathTextBox->text());
+    s->set("JvmArgs", ui->jvmArgsTextBox->text());
+    JavaCommon::checkJVMArgs(s->get("JvmArgs").toString(), this->parentWidget());
+}
+void JavaPage::loadSettings()
+{
+    auto s = APPLICATION->settings();
+    // Memory
+    int min = s->get("MinMemAlloc").toInt();
+    int max = s->get("MaxMemAlloc").toInt();
+    if(min < max)
+    {
+        ui->minMemSpinBox->setValue(min);
+        ui->maxMemSpinBox->setValue(max);
+    }
+    else
+    {
+        ui->minMemSpinBox->setValue(max);
+        ui->maxMemSpinBox->setValue(min);
+    }
+    ui->permGenSpinBox->setValue(s->get("PermGen").toInt());
+
+    // Java Settings
+    ui->javaPathTextBox->setText(s->get("JavaPath").toString());
+    ui->jvmArgsTextBox->setText(s->get("JvmArgs").toString());
+}
+
+void JavaPage::on_javaDetectBtn_clicked()
+{
+    JavaInstallPtr java;
+
+    VersionSelectDialog vselect(APPLICATION->javalist().get(), tr("Select a Java version"), this, true);
+    vselect.setResizeOn(2);
+    vselect.exec();
+
+    if (vselect.result() == QDialog::Accepted && vselect.selectedVersion())
+    {
+        java = std::dynamic_pointer_cast<JavaInstall>(vselect.selectedVersion());
+        ui->javaPathTextBox->setText(java->path);
+    }
+}
+
+void JavaPage::on_javaBrowseBtn_clicked()
+{
+    QString raw_path = QFileDialog::getOpenFileName(this, tr("Find Java executable"));
+
+    // do not allow current dir - it's dirty. Do not allow dirs that don't exist
+    if(raw_path.isEmpty())
+    {
+        return;
+    }
+
+    QString cooked_path = FS::NormalizePath(raw_path);
+    QFileInfo javaInfo(cooked_path);;
+    if(!javaInfo.exists() || !javaInfo.isExecutable())
+    {
+        return;
+    }
+    ui->javaPathTextBox->setText(cooked_path);
+}
+
+void JavaPage::on_javaTestBtn_clicked()
+{
+    if(checker)
+    {
+        return;
+    }
+    checker.reset(new JavaCommon::TestCheck(
+        this, ui->javaPathTextBox->text(), ui->jvmArgsTextBox->text(),
+        ui->minMemSpinBox->value(), ui->maxMemSpinBox->value(), ui->permGenSpinBox->value()));
+    connect(checker.get(), SIGNAL(finished()), SLOT(checkerFinished()));
+    checker->run();
+}
+
+void JavaPage::checkerFinished()
+{
+    checker.reset();
+}